Home / 196,281,309.89-270,863,542.10-106,976,073.87

Finding the Fourth Proportional to 196,281,309.89, 270,863,542.10 and 106,976,073.87

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Solution

The fourth proportional to 196,281,309.89, 270,863,542.10 and 106,976,073.87 is: 147,624,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,281,309.89 : 270,863,542.10 = 106,976,073.87 : x
  2. Step 2: Convert to fraction form
    196,281,309.89/270,863,542.10 = 106,976,073.87/x
  3. Step 3: Cross multiply
    196,281,309.89x = 270,863,542.10 × 106,976,073.87
  4. Step 4: Simplify right side
    196,281,309.89x = 28,975,918,287,844,580
  5. Step 5: Solve for x
    x = 28,975,918,287,844,580/196,281,309.89
  6. Step 6: Final answer
    x = 147,624,439.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.